$B$b$N$,$?$j(B

Lesson10$B!'(B2012$BG/(B3$B7n(B23$BF|J|Aw(B

$B%$%a!<%8(B

$BQ[!JCg4VM35*7C!K(B$B$O(B$B>>K\!J:4!9LZB"G72p!K(B$B$KJL$l$r9p$2!"$3$l$+$i$O(B$B7k0a!JK\EDMc!K(B$B$H(B$B;3=a!K(B$B$r0lHV$K9M$($F@8$-$F$$$/7h0U$r$9$k!#$=$s$JCf!"<:Nx$NDK>K\$O!"Jl?F$N6q9g$,0-$/$J$C$?$?$aIY;3$KLa$k2YB$$j$r;O$a$k$N$@$C$?!#(B

$B%$%a!<%8(B

$B$=$N:"!"(B$B:Z!9;R!J$j$g$&!K(B$B$NBN$r5$8/$$!"9b5i?):`$r$A$g$/$A$g$/Gc$C$F$/$k(B$BH~HA!J;T@n$B$rkC$7$/;W$C$?:Z!9;R$O!"H~HA$rLd$$5M$a$k!#$=$NGc$$J*$O!"$BB?ED!JEDCfM5Fs!K(B$B$,H~HA$KMj$s$G$$$?J*$@$C$?!#$=$s$JB?ED$N9T0Y$K!":Z!9;R$OLBOG$@$H8@$$J|$D!#B?ED$,l$r=P$F9T$/;Q$r8+$?H~HA$O!"!V:Z!9;R$5$s$K9,$;$K$J$C$F$[$7$$!W$H$$$&B?ED$N5$;}$A$r:Z!9;R$KEA$($k$N$@$,!D!#(B
$B?tF|8e!":Z!9;R!"B?ED!"H~HA!"$=$7$F>>K\$N85$K!XK:$l$?Nx$N$O$8$aJ}!A$f$"$s@h@8%H!<%/%7%g!<(B&$B%5%$%s2q!Y$N>7BT>u$,FO$/!#(B
$B=i$a$FL@$+$5$l$?$f$"$s$N@5BN!#$=$l$O!D!)(B
$B$=$7$F!VK:$l$?Nx$N$O$8$aJ}!W$K9~$a$i$l$?A[$$$,!"Q[!">>K\!"=YJ?!"H~HA!":Z!9;R!"B?ED!"$=$l$>$l$N1?L?$rF0$+$9!#(B
$BJ*8l$O>W7b$N7kKv$X!D!*!*(B

$B%P%C%/%J%s%P!<(B

$B%b%P%$%k%5%$%H!R%a%K%e!<"*(BTV$B"*(BTBS$B"*Nx0&%K!<%H!S(B